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5 Written questions

5 Matching questions

  1. the brain and right arm
  2. cone shaped
  3. valve cusps/leaflets coapt normally because the papillary muscles are "pulling" on the chordae tendonae attached to the free border of the valve cusps/leaflets
  4. pectinate muscles
  5. vascular resistance
  1. a raided muscle bundles in the anterior wall of the right atrium and the left and right auricles
  2. b what are the regions supplied by the brachiocephalic trunk
  3. c what is the shape of the left ventricle
  4. d what happens to the valves when the papillary muscles contract
  5. e why is the left ventricular myocardium thicker than the right ventricular myocardium

5 Multiple choice questions

  1. why is it important to have normal heart valve function
  2. what is the function of trabeculae carnae
  3. name the 2 av valves
  4. briefly describe the mechanism of semilunar valve closure
  5. what adverse effect does a cardiac tamponade have on heart function

5 True/False questions

  1. electrical insulator, prevent overstretching of hear valves, foundation for heart valve structure, insertion point for atrial and ventricular myocardiumwhat is the function of pectinate muscles


  2. closedwhich pericardium is adherent to the underside of the fibrous pericardium


  3. prevent relapse of valve cusps into atria (when the ventricles and papillary muscles contract the chordae tendonae are pulled tight preventing prolapse of valve cusps/leaflets into the atria)what is the function of chordae tendonae


  4. pericardial spacewhat is the name of the potential space


  5. annulusfibrous tissue ring that forms the base of each heart valve